| Hawkins Field Unit O-6-5743 | Mmgl East Texas II, LLC only | Hawkins | Wood | 885 | 91.1M | 916M | by Jan 1993 – Aug 2026 |
| Texas Ten y PU O-10-46263 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 110 | 39.4M | 118M | Dec 2014 – Aug 2026 |
| Burns Ranch A O-1-15361 | Texas American Resources Company only | Briscoe Ranch (Eagleford) | La Salle | 63 | 11.1M | 15.8M | Nov 2010 – Aug 2026 |
| Texas Ten 'AA' O-10-44078 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 39 | 7.96M | 24.6M | Apr 2013 – Aug 2026 |
| Moncrief, Mattie O-7-8049 | Basa Resources, Inc. only | East Texas | Gregg | 66 | 4.04M | 1.83M | by Jan 1993 – Aug 2026 |
| Baker, A. J. O-1-1055 | Texas Petroleum Investment Co. only | Luling-Branyon | Guadalupe | 52 | 3.32M | 47 | by Jan 1993 – Aug 2026 |
| Pilgreen, Chas. O-7-6995 | Basa Resources, Inc. only | East Texas | Rusk | 28 | 3.1M | 1.15M | by Jan 1993 – Aug 2026 |
| Turner, J. W. O-7-7036 | Basa Resources, Inc. only | East Texas | Rusk | 57 | 3.08M | 1.14M | by Jan 1993 – Aug 2026 |
| Harris, T. B. & T. D. O-7-6952 | Basa Resources, Inc. only | East Texas | Gregg | 35 | 3.05M | 1.06M | by Jan 1993 – Aug 2026 |
| Texas Ten 13/16 O-10-47062 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Midland | 13 | 2.97M | 4.6M | Oct 2015 – Mar 2019 |
| King, A. A. -B- O-7-8040 | Basa Resources, Inc. only | East Texas | Gregg | 133 | 2.84M | 1.52M | by Jan 1993 – Aug 2026 |
| Burns Ranch O-1-18854 | Texas American Resources Company only | Eagleville (Eagle Ford-1) | La Salle | 21 | 2.72M | 4.2M | Oct 2016 – Aug 2026 |
| Texas Consolidated #1 O-10-7060 | Ring Energy, Inc. only | University Waddell (Devonian) | Crane | 28 | 2.48M | 2.8M | by Jan 1993 – Aug 2026 |
| McKean, A. J. & J. M. O-1-1082 | Texas Petroleum Investment Co. only | Luling-Branyon | Guadalupe | 38 | 2.42M | 59 | by Jan 1993 – Aug 2026 |
| Persons, J. C. O-7-7589 | Basa Resources, Inc. only | East Texas | Gregg | 31 | 2.38M | 1.03M | by Jan 1993 – Aug 2026 |
| Lake Devernia O-7-8366 | Basa Resources, Inc. only | East Texas | Gregg | 54 | 2.33M | 1.25M | by Jan 1993 – Aug 2026 |
| Nettleton, E. M. -a- & -B- O-7-8391 | Basa Resources, Inc. only | East Texas | Gregg | 30 | 2.27M | 940K | by Jan 1993 – Aug 2026 |
| Tabor, W. H. O-1-1107 | Texas Petroleum Investment Co. only | Luling-Branyon | Caldwell | 79 | 2.21M | 50 | by Jan 1993 – Aug 2026 |
| South Kilgore Unit O-7-8732 | Basa Resources, Inc. only | East Texas | Rusk | 105 | 2.08M | 34.2K | Aug 1998 – Aug 2026 |
| Allen, J. E. -B- O-1-2272 | Texas Petroleum Investment Co. only | Luling-Branyon | Guadalupe | 24 | 2.04M | 21.9K | by Jan 1993 – Aug 2026 |
| Texas Ten 13/16 O-10-51273 | Chevron U. S. A. Inc. only | Parks (Consolidated) | Midland | 12 | 1.92M | 8.58M | Apr 2019 – Aug 2026 |
| Harris, T. B. O-7-6113 | ZTH Operating, LLC only | East Texas | Gregg | 19 | 1.86M | 919K | by Jan 1993 – Aug 2026 |
| Ingram, L. C. O-7-8275 | Basa Resources, Inc. only | East Texas | Gregg | 33 | 1.81M | 1.08M | by Jan 1993 – Aug 2026 |
| Akin, J. W. -B- O-7-8025 | Basa Resources, Inc. only | East Texas | Gregg | 24 | 1.81M | 797K | by Jan 1993 – Aug 2026 |
| Custer, Minnie M. O-7-7518 | Basa Resources, Inc. only | East Texas | Gregg | 15 | 1.75M | 690K | by Jan 1993 – Jun 2024 |
| Smith -E- O-7-6398 | Basa Resources, Inc. only | East Texas | Gregg | 16 | 1.74M | 710K | by Jan 1993 – Aug 2026 |
| Todd-Stinchcomb (Mobil) O-7-8177 | Basa Resources, Inc. only | East Texas | Gregg | 22 | 1.74M | 780K | by Jan 1993 – Aug 2026 |
| Shelly O-3-24853 | Empire Texas Operating LLC only | Fort Trinidad, East (Buda) | Houston | 18 | 1.71M | 2.09M | Sep 2012 – Aug 2026 |
| Akin O-7-6352 | Basa Resources, Inc. only | East Texas | Gregg | 24 | 1.66M | 720K | by Jan 1993 – Aug 2026 |
| King George O-10-55585 | Bosque Texas Oil LLC only | Ruppel (Woodford) | Ward | 8 | 1.64M | 5.76M | Jun 2020 – Aug 2026 |
| Sheppard, M. O. O-7-6846 | Basa Resources, Inc. only | East Texas | Gregg | 69 | 1.64M | 743K | by Jan 1993 – Aug 2026 |
| Rembert, F. T. O-7-6724 | Basa Resources, Inc. only | East Texas | Gregg | 17 | 1.63M | 648K | by Jan 1993 – Aug 2026 |
| Lacy & Snyder O-7-6833 | Basa Resources, Inc. only | East Texas | Gregg | 21 | 1.6M | 546K | by Jan 1993 – Dec 2008 |
| Allen, J. E. -A- O-1-3671 | Texas Petroleum Investment Co. only | Luling-Branyon | Guadalupe | 40 | 1.58M | 120K | by Jan 1993 – Aug 2026 |
| Akin, J. W. O-7-7928 | Basa Resources, Inc. only | East Texas | Gregg | 23 | 1.54M | 627K | by Jan 1993 – Aug 2026 |
| Moore, Maggie O-1-1092 | Texas Petroleum Investment Co. only | Luling-Branyon | Caldwell | 28 | 1.53M | 50 | by Jan 1993 – Aug 2026 |
| Smith, S. G. & Maud -B- O-7-7615 | Basa Resources, Inc. only | East Texas | Gregg | 16 | 1.52M | 628K | by Jan 1993 – Aug 2026 |
| Adrain-McCrary O-7-7484 | Basa Resources, Inc. only | East Texas | Gregg | 14 | 1.51M | 661K | by Jan 1993 – Aug 2026 |
| Davis, Arch -a- & -B- O-7-8364 | Basa Resources, Inc. only | East Texas | Gregg | 27 | 1.49M | 565K | by Jan 1993 – Aug 2026 |
| Kirby Pet. Co. -B- O-3-194 | Sandpoint Texas LLC only | Barbers Hill | Chambers | 15 | 1.44M | 29.3K | by Jan 1993 – Aug 2026 |
| Hearne, L. R. O-7-6020 | Northern Pacific Oil Incorporatd only | East Texas | Gregg | 21 | 1.43M | 553K | by Jan 1993 – Dec 2020 |
| Moore, Boston O-7-8388 | Basa Resources, Inc. only | East Texas | Gregg | 18 | 1.43M | 415K | by Jan 1993 – Aug 2026 |
| Campbell, J. N. O-7-8233 | Basa Resources, Inc. only | East Texas | Gregg | 21 | 1.42M | 777K | by Jan 1993 – Aug 2026 |
| Glover, S. A. O-7-6949 | Basa Resources, Inc. only | East Texas | Rusk | 11 | 1.42M | 397K | by Jan 1993 – Aug 2026 |
| Akin, J. W. -A- O-7-8024 | Basa Resources, Inc. only | East Texas | Gregg | 19 | 1.39M | 694K | by Jan 1993 – Aug 2026 |
| Knobloch B - O-1-2800 | Texas Petroleum Investment Co. only | Darst Creek (Edwards) | Guadalupe | 46 | 1.38M | 180 | by Jan 1993 – Aug 2026 |
| Harris, T. B. (Conoco) O-7-6426 | Zivney Energy only | East Texas | Gregg | 16 | 1.36M | 566K | by Jan 1993 – Dec 2025 |
| South Texas Children's Home 01 O-2-9999 | Crescent Energy Operating, LLC only | Eagleville (Eagle Ford-2) | Live Oak | 9 | 1.35M | 2.22M | Jan 2012 – Aug 2026 |
| Fisher, Caddie "B" O-7-7884 | Bbhp Oilfield Services LLC only | East Texas | Gregg | 22 | 1.33M | 467K | by Jan 1993 – Aug 2026 |
| Bingham, Laura O-7-7142 | Basa Resources, Inc. only | East Texas | Gregg | 20 | 1.32M | 435K | by Jan 1993 – Aug 2026 |